Process and apparatus for treatment of incinerator bottom ash and fly ash
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United States of America Patent
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Oct 18, 2016
Grant Date -
Apr 23, 2015
app pub date -
Dec 30, 2014
filing date -
Apr 13, 2011
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Abstract
A method for treatment of ash from incineration plants includes: collecting ash from an incinerator; feeding the collected ash to a vitrification reactor; vitrifying the ash in the vitrification reactor, to form a slag of molten material; allowing the slag to flow from the vitrification reactor and solidify outside the vitrification reactor; gasifying volatile components in the ash and the additional feed material; and routing flue gas generated in the vitrification reactor to a heat exchanger, wherein the heat exchanger is connected to a heat recovery steam generator that receives exhaust from the incinerator.
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